Advertisements
Advertisements
प्रश्न
ZZ/ZW type of sex determination is seen in ______.
पर्याय
Peacock
Cockroach
Platypus
Snails
apple snail
human
Advertisements
उत्तर
ZZ/ZW type of sex determination is seen in peacock.
Explanation:
The ZZ/ZW type of sex determination is seen in birds, many fishes, and reptiles. In this system, the female is heterogametic (ZW), meaning she produces two types of eggs,one with the Z chromosome and one with the W chromosome. The male is homogametic (ZZ), producing only one type of sperm with the Z chromosome.
APPEARS IN
संबंधित प्रश्न
Which of the following is an example of ZW – ZZ type of mechanism of sex determination?
There are ................ pairs of chromosomes in the human being.
In a human, how many chromosmes are present in a brain cell?
The number of pair(s) of sex chromosomes in the zygote of humans is ______.
Name two animals which have nineteen pairs of chromosomes.
A family consists of two parents and their five children and the pedigree chart below shows the inheritance of the trait colour blindness in them.
Who is colour blind in the parents – the Father or the Mother?
Define the following:
Autosomes
Explain the following terms:
Identical twins
With the help of a chart, explain the method of sex determination in honeybees.
Short Answer Question.
“Father is responsible for determination of sex of child and not the mother”. Justify.
Explain the mechanism of sex determination in humans with a suitable chart.
XO type of sex determination and XY type of sex determination are examples of ____________.
How many ovum are formed when a diploid cell undergoes meiosis, during oogenesis?
From the following which option correctly represents the normal genetic constitution of a ovum?
There are five daughters and no son in a family. It is because
In human males all the chromosomes are paired perfectly except one. This/these unpaired chromosomes is/are ______.
- large chromosome
- small chromosome
- Y-chromosome
- X-chromosome
The number of pairs of sex chromosomes in the zygote of a human being is ______
Which of the following is an example of genetic variation?
Which of the following determines the sex of a child?
How many types of gametes are produced by a human female?
Which of the following group shows ZW-ZZ type of sex determination?
What is the probability of a girl or a boy being born into a family? Justify your answer.
Which organisms utilize the ZW–ZZ sex determination system?
In the XX–XY sex determination system, if a female (XX) is fertilized by an X-bearing sperm, what is the resulting genotype of the offspring?
